NAICS + PSC page

NAICS 541990 and PSC R499 contractors

All Other Professional, Scientific, and Technical Services. SUPPORT- PROFESSIONAL: OTHER. Use this cross-code page to see which visible federal contractors sit in the overlap between these two public category lanes.

NAICS 541990 + PSC R499
Last updated: April 6, 2026

Visible recipients

60

Mapped obligations

$33,876,438,527

State overlap

0

Top recipients

Visible recipients in the NAICS 541990 and PSC R499 overlap

Qlarant Integrity Solutions LLC

Easton, MD

Qlarant Integrity Solutions LLC is a federal category business profile based in Easton, MD. The current public data layer shows $84,807,227 in visible federal obligations across 24 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541990 (All Other Professional, Scientific, and Technical Services). The profile also shows meaningful product and service activity in PSC R499.

$1,752,105,085

Cdm Smith Inc.

Carlsbad, CA

Cdm Smith Inc. is a federal category business profile based in Carlsbad, CA. The current public data layer shows $81,627,935 in visible federal obligations across 5 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 237990 (Other Heavy and Civil Engineering Construction). The profile also shows meaningful product and service activity in PSC Y244.

$12,469,194

Reli Group INC

Windsor Mill, MD

Reli Group INC is a federal 8a program participant profile based in Windsor Mill, MD. The current public data layer shows $79,433,948 in visible federal obligations across 118 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC R408.

$185,329,799

Acumen LLC

Burlingame, CA

Acumen LLC is a federal category business profile based in Burlingame, CA. The current public data layer shows $77,028,975 in visible federal obligations across 73 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC R499.

$784,596,290

Akima Systems Engineering LLC

Herndon, VA

Akima Systems Engineering LLC is a federal 8a program participant profile based in Herndon, VA. The current public data layer shows $76,312,079 in visible federal obligations across 235 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC R425.

$38,590,052

Mantech Srs Technologies, Inc.

Herndon, VA

Mantech Srs Technologies, Inc. is a federal category business profile based in Herndon, VA. The current public data layer shows $74,933,149 in visible federal obligations across 78 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC R425.

$304,562,673

Calibre Systems INC

Alexandria, VA

Calibre Systems INC is a federal category business profile based in Alexandria, VA. The current public data layer shows $70,786,019 in visible federal obligations across 129 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541990 (All Other Professional, Scientific, and Technical Services). The profile also shows meaningful product and service activity in PSC R499.

$1,689,933,529

Coforma LLC

Rockville, MD

Coforma LLC is a federal 8a program participant profile based in Rockville, MD. The current public data layer shows $64,709,436 in visible federal obligations across 68 awards or transactions. Department of Veterans Affairs appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541519 (Other Computer Related Services). The profile also shows meaningful product and service activity in PSC DA01.

$9,810,629

Jbs International, Inc.

Rockville, MD

Jbs International, Inc. is a federal category business profile based in Rockville, MD. The current public data layer shows $51,361,037 in visible federal obligations across 53 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541990 (All Other Professional, Scientific, and Technical Services). The profile also shows meaningful product and service activity in PSC R408.

$480,040,770

Attainx Inc.

Herndon, VA

Attainx Inc. is a federal 8a program participant profile based in Herndon, VA. The current public data layer shows $47,757,591 in visible federal obligations across 182 awards or transactions. Department of Agriculture appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541511 (Custom Computer Programming Services). The profile also shows meaningful product and service activity in PSC R499.

$69,463,169
Page 3 of 6Prev123456Next